Home / 14,541.21-21,768.72-8,976.66

Finding the Fourth Proportional to 14,541.21, 21,768.72 and 8,976.66

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Solution

The fourth proportional to 14,541.21, 21,768.72 and 8,976.66 is: 13,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.21 : 21,768.72 = 8,976.66 : x
  2. Step 2: Convert to fraction form
    14,541.21/21,768.72 = 8,976.66/x
  3. Step 3: Cross multiply
    14,541.21x = 21,768.72 × 8,976.66
  4. Step 4: Simplify right side
    14,541.21x = 195,410,398.08
  5. Step 5: Solve for x
    x = 195,410,398.08/14,541.21
  6. Step 6: Final answer
    x = 13,438.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.